Represents the settlement of performance share units (PSUs) that were previously granted under Nasdaq's Equity Incentive Plan. The ultimate amount of shares to be received under the grant depended upon the achievement of performance goals during a one-year performance period from January 1, 2017 through December 31, 2017.

(2)

Represents (i) 915 shares or units of restricted stock, of which 353 are vested and (ii) 8,733 shares underlying PSUs, of which 2,327 are vested.